7.2 sec in total
485 ms
5.9 sec
747 ms
Welcome to alternetivo.cz homepage info - get ready to check Alternetivo best content for Czech Republic right away, or after learning these important things about alternetivo.cz
Technologie pro přenos hlasu a dat: switching/routing, bezdrátové a optické sítě, strukturované kabeláže, síťová bezpečnost, IP monitoring
Visit alternetivo.czWe analyzed Alternetivo.cz page load time and found that the first response time was 485 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
alternetivo.cz performance score
name
value
score
weighting
Value7.0 s
1/100
10%
Value10.5 s
0/100
25%
Value10.2 s
8/100
10%
Value110 ms
97/100
30%
Value0.275
44/100
15%
Value8.1 s
41/100
10%
485 ms
2898 ms
406 ms
468 ms
538 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 75% of them (40 requests) were addressed to the original Alternetivo.cz, 17% (9 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Alternetivo.cz.
Page size can be reduced by 150.0 kB (6%)
2.5 MB
2.3 MB
In fact, the total size of Alternetivo.cz main page is 2.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.
Potential reduce by 54.8 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 9.8 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 54.8 kB or 79% of the original size.
Potential reduce by 54.1 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Alternetivo images are well optimized though.
Potential reduce by 9.5 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.
Potential reduce by 31.6 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Alternetivo.cz needs all CSS files to be minified and compressed as it can save up to 31.6 kB or 35% of the original size.
Number of requests can be reduced by 8 (20%)
41
33
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alternetivo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
alternetivo.cz
485 ms
www.alternetivo.cz
2898 ms
styles.css
406 ms
status_css.asp
468 ms
user.css
538 ms
jquery.min.js
131 ms
jquery-ui.min.js
162 ms
jquery-migrate-3.0.0.min.js
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css
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scripts.js
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strings_js.asp
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user.js
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alternetivo.cz accessibility score
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
alternetivo.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
alternetivo.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alternetivo.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Alternetivo.cz main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
alternetivo.cz
Open Graph description is not detected on the main page of Alternetivo. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: